Vehicle wheel



H. M. SPECHT VEHICLE WHEEL Original Filed July 18, 1923 A TTOR/VEYPatented Dec. 30, 192 4.

HARRY MORTIMER SPECHT, or ELHAM, NEW YORK.

vEHIcLE WHEEL.

Original application filed July 18, 1.923, Serial No. 652,207.

Divided and. this application filed December 13, 1923. Serial No.680,323.

To all whom it may concern:

'Be it known that I, HARRY MORTIMER SPECHT, a citizen of the UnitedStates, residing at Pelham, in the county of Westchester and State ofNew York, have invented a new and useful Improvement in Vehicle lVheels,of which the following is a specification.

This invention relates to vehicle wheels, and particularly to the disktype, and it is also in the nature of a modification in form of theconstruction shown in my copending patent application filed July 18th,1923, Serial No. 652,207.

This particular form was originally shown, described and claimed in thesaid application Serial No. 652,207 and is now filed as a divisionalapplication thereof. It has been found in use and actual practice thatdisk type wheels of this kind are especially adapted for use on motordriven vehicles of all kinds, as the resiliency, rigidity and strengthneeded to meet the stresses and strains of rough roads, heavy loads andhigh speed may be attained with a marked reduction in the weight of thewheel.

My construction can be made of a light weight metal and produced at alow cost to the end that it may be marketed at a reasonable price.

As shown in the drawings and described hereinafter the surface of thedisk between the rim and hub of the wheel is formed with a series ofsubstantially parallel corrugations radiating from the hub to the rimand a series of struck up portions in the said corrugations.

It is obvious that in the production of a disk surface of this kind theradial corrugations can be made of any desired Width, depth or radialcurve and that the struck up portions can be varied in size and locatedwith relation to each other in the manner best calculated to meet theconditions under which the wheel will be used in traffic.

Wheels constructed in accordance herewith possess a greatly increasedresilience or elasticity which enables themto take up or absorb betweenthe rim and the hub the jars or vibrations created by the inequalitiesof the road being travelled, and thereby producing an additionalsmoothness and free dom from shock to that obtained from the use ofcushion or pneumatic tires.

I have discovered that under some conditions, the hub of this type ofwheel-for a very brief period of time is slightly out of perfectalignment with the plane of the disk surface, or removed a very shortdistance from the exact centre of the disk, but that practicallyimmediately it returns to its proper position in the said exact centre,and in perfect parallelism with the plane of the disk surface.

In the drawings herewith Fig. 1 is a fragmentary elevation.

Fig. 2 is a sectional View on line 2-2 of F 1.

Fig. 3 is an enlarged sectional view on line 33 of Fig. 1.

In my co-pending application Serial No. 652,207 a type of wheel is shownwith annular corrugations but herein the corrugations extend radiallyfrom the hub to the mm.

In the drawings the numeral 10 indicates a wheel hub and 11 is the rim,both being of the usual and suitable type, and 14 indicates thealternately concaved or convexed corrugations extending side by sidefrom the hub to the rim with the oppositely curved openings cut out inthe said corrugations. J

In fabricating this construction pressed steel could be used but itwould also be practicable to utilize other metals which could be cast ormolded.

From the foregoing it will be seen that the alternately convexed andconcaved surfaces constituting the disk of the wheel will act to absorbbetween the rim and the hub the jars, shocks and vibrations incidentalto traiiic many of which are not completely absorbed by the tires or thesprings of the vehicle.

There are a number of forms of my invention not shown herein which fallwithin the scope and breadth thereof and I do not desire to limit myselfstrictly to the preferred form shown herewith.

I claim 1. In a vehicle wheel, a. disk member adapted to be attached tothe hub of the wheel and provided with a plurality of radialcorrugations having struck up portions in their plane surfaces.

2. In a vehicle wheel, a disk member adapted to be attached to the hubof the wheel and provided with a plurality of radial corrugationsalternately concaved and convexed with. relation to the plane of thesurface of the disk and having struck up portions in their planesurfaces.

3. In a 'vehicle Wheel, a'dis'k member adapted to be attached to the hubof the wheel and provided with a plurality o t' substantially parallelcurved radial corrugations: having struck up portions in their planesurfaces.

4. In a vehicle Wheel, a disk 'member adapted. to be attached to the hubof the Wheel and provided with a plurality of raplane surfaces.

5. In a vehicle Wheel a disk member adapted to be attached to the hub ofthe wheel and provided with a plurality of radial corrugations havingoppositely curved openings cut in their plane-surfaces.

HARRY MORTIMER SPECHT. WVitnessesz- TM.- A. TIEDEMAN-N;

Manon Ensm DowNINe, V

